5,567 results on '"Roberson A"'
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2. Initiating Virtual Nursing in General Inpatient Care
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Amy E. Roberson, Marny Carlson, Christopher M. Kohler, Patricia A. Harris, and Charlotte L. Volkmann
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General Medicine ,General Nursing - Published
- 2023
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3. Uropathogenic Escherichia coli infection-induced epithelial trained immunity impacts urinary tract disease outcome
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Seongmi K. Russell, Jessica K. Harrison, Benjamin S. Olson, Hyung Joo Lee, Valerie P. O’Brien, Xiaoyun Xing, Jonathan Livny, Lu Yu, Elisha D. O. Roberson, Rajdeep Bomjan, Changxu Fan, Marina Sha, Shady Estfanous, Amal O. Amer, Marco Colonna, Thaddeus S. Stappenbeck, Ting Wang, Thomas J. Hannan, and Scott J. Hultgren
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Microbiology (medical) ,Immunology ,Genetics ,Cell Biology ,Applied Microbiology and Biotechnology ,Microbiology - Abstract
Previous urinary tract infections (UTIs) can predispose one to future infections; however, the underlying mechanisms affecting recurrence are poorly understood. We previously found that UTIs in mice cause differential bladder epithelial (urothelial) remodelling, depending on disease outcome, that impacts susceptibility to recurrent UTI. Here we compared urothelial stem cell (USC) lines isolated from mice with a history of either resolved or chronic uropathogenic Escherichia coli (UPEC) infection, elucidating evidence of molecular imprinting that involved epigenetic changes, including differences in chromatin accessibility, DNA methylation and histone modification. Epigenetic marks in USCs from chronically infected mice enhanced caspase-1-mediated cell death upon UPEC infection, promoting bacterial clearance. Increased Ptgs2os2 expression also occurred, potentially contributing to sustained cyclooxygenase-2 expression, bladder inflammation and mucosal wounding—responses associated with severe recurrent cystitis. Thus, UPEC infection acts as an epi-mutagen reprogramming the urothelial epigenome, leading to urothelial-intrinsic remodelling and training of the innate response to subsequent infection.
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- 2023
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4. Recognizing and Utilizing Novel Research Opportunities with Artificial Intelligence
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Georg von Krogh, Quinetta Roberson, and Marc Gruber
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Management of Technology and Innovation ,Strategy and Management ,Business and International Management ,General Business, Management and Accounting - Published
- 2023
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5. Glucose-Induced Activation of mTORC1 is Associated with Hexokinase2 Binding to Sestrins in HEK293T Cells
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Paul A. Roberson, Gregory N. Kincheloe, Jaclyn E. Welles, Dandan Xu, Mahalia Sam-Clarke, Paul S. MacLean, Charles H. Lang, Leonard S. Jefferson, and Scot R. Kimball
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Nutrition and Dietetics ,Medicine (miscellaneous) - Published
- 2023
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6. Implicações das atividades práticas no Laboratório de Habilidades e Simulação relacionado a motivação e sentimentos dos alunos
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Barbara Casarin Henrique-Sanches, Luis Sabage, Raphael Raniere de Oliveira Costa, Rodrigo Guimarães dos Santos Almeida, Roberson Antequera Moron, and Alessandra Mazzo
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Objetivo: verificar as implicações das atividades práticas no Laboratório de Habilidade e Simulação relacionado à motivação e os sentimentos expressos pelos estudantes universitários quando regressam às atividades presenciais após o isolamento social causado pela pandemia da COVID-19. Método: estudo quase-experimental, com um único grupo, do tipo pré e pós-teste, realizado por meio de uma intervenção educacional baseada no treino de habilidades de administração de medicamentos e punção venosa, com estudantes de medicina de uma universidade pública brasileira. A amostra foi composta por 47 estudantes. Para a coleta de dados, foram utilizados os instrumentos de caracterização dos sujeitos e sentimentos autopercebidos pelos estudantes e a Escala de Motivação Situacional. Resultados: na amostra, 98% referiram falta de atividades práticas durante a pandemia. O sentimento mais frequentemente descrito foi a ansiedade. Após a realização da atividade, observou-se uma mudança na frequência dos sentimentos expressos, embora não se tenha verificado uma mudança significativa nos níveis motivacionais. A Regulação Externa (5,1 – 5,6), a Regulação (6,1 – 6,4) e a Motivação Intrínseca (5,6 – 6,0) apresentaram resultados elevados, demostrando semelhança com os sentimentos relatados pelos alunos. Conclusão: a motivação é essencial para uma aprendizagem eficaz e a utilização de metodologias ativas reforça as habilidades construídas de uma forma efetiva nos estudantes frente ao processo de aprendizagem.
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- 2023
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7. Implicaciones de las actividades prácticas en el Laboratorio de Habilidades y Simulación relacionadas con la motivación y los sentimientos de los estudiantes
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Barbara Casarin Henrique-Sanches, Luis Sabage, Raphael Raniere de Oliveira Costa, Rodrigo Guimarães dos Santos Almeida, Roberson Antequera Moron, and Alessandra Mazzo
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Objetivo: verificar las implicaciones de las actividades prácticas en el Laboratorio de Habilidad y Simulación relacionadas con la motivación y los sentimientos expresados por los estudiantes universitarios cuando regresan a las actividades presenciales luego del aislamiento social ocasionado por la pandemia del COVID-19. Método: estudio cuasiexperimental, con un solo grupo y del tipo pre y postest, realizado mediante una intervención educativa basada en el entrenamiento de habilidades en administración de medicamentos y venopunción, con estudiantes de medicina de una universidad pública brasileña. La muestra estuvo conformada por 47 estudiantes. Para la recolección de datos se utilizaron los instrumentos de caracterización y autopercepción de los individuos y la Escala de Motivación Situacional. Resultados: en la muestra, el 98% mencionó la falta de actividades prácticas durante la pandemia. El sentimiento descrito con mayor frecuencia fue la ansiedad. Después de realizar la actividad, hubo un cambio en la frecuencia de los sentimientos expresados, aunque no hubo un cambio significativo en los niveles de motivación. Regulación Externa (5,1 – 5,6), Regulación Identificada (6,1 – 6,4) y Motivación Intrínseca (5,6 – 6,0) presentaron resultados altos, demostrando similitud con los sentimientos relatados por los estudiantes. Conclusión: la motivación es fundamental para un aprendizaje efectivo y el uso de metodologías activas refuerza de manera efectiva las habilidades construidas en los estudiantes frente al proceso de aprendizaje.
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- 2023
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8. In-Hospital Depressed Level of Consciousness and Long-Term Functional Outcomes in ICU Survivors
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Matthew F. Mart, Jennifer L. Thompson, E. Wesley Ely, Pratik P. Pandharipande, Mayur B. Patel, Jo Ellen Wilson, Shawniqua Williams Roberson, Caroline I. Birdrow, Rameela Raman, and Nathan E. Brummel
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Adult ,Intensive Care Units ,Consciousness ,Critical Illness ,Activities of Daily Living ,Consciousness Disorders ,Humans ,Hypnotics and Sedatives ,Survivors ,Critical Care and Intensive Care Medicine ,Hospitals - Abstract
Among critically ill patients, acutely depressed level of consciousness is associated with mortality, but its relationship to long-term outcomes such as disability and physical function is unknown. We investigated the relationship of level of consciousness during hospitalization with long-term disability and physical function in ICU survivors.Multi-center observational cohort study.Medical or surgical ICUs at five U.S. centers.Adult survivors of respiratory failure or shock.None.Depressed level of consciousness during hospitalization was defined using the Richmond Agitation Sedation Scale (RASS) score (including all negative scores) by calculating the area under the curve using linear interpolation. Sedative-associated level of consciousness was similarly defined for all hospital days that sedation was received. We measured disability in basic activities of daily living (BADLs), instrumental activities of daily living (IADLs), discharge destination, and self-reported physical function. In separate models, we evaluated associations between these measures of level of consciousness and outcomes using multivariable regression, adjusted for age, sex, race, body mass index, education level, comorbidities, baseline frailty, baseline IADLs and BADLs, hospital type (civilian vs veteran), modified mean daily Sequential Organ Failure Assessment score, duration of severe sepsis, duration of mechanical ventilation, and hospital length of stay. Of the 1,040 patients enrolled in the ICU, 781 survived to hospital discharge. We assessed outcomes in 624 patients at 3 months and 527 patients at 12 months. After adjusting for covariates, there was no association between depressed level of consciousness (total or sedation-associated) with BADLs or IADLs at either 3- or 12-month follow-up. There was also no association with self-reported physical function at 3 or 12 months or with discharge destination.Depressed level of consciousness, as defined by the RASS, was not associated with disability or self-reported physical function. Future studies should investigate additional modifiable in-hospital risk factors for disability and poor physical function following critical illness.
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- 2023
9. Translational Significance of the LINE-1 Jumping Gene in Skeletal Muscle
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Matthew A. Romero, Petey W. Mumford, Paul A. Roberson, Shelby C. Osburn, Kaelin C. Young, John M. Sedivy, and Michael D. Roberts
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Mammals ,Long Interspersed Nucleotide Elements ,Animals ,Humans ,Physical Therapy, Sports Therapy and Rehabilitation ,Orthopedics and Sports Medicine ,Muscle, Skeletal ,Exercise - Abstract
Retrotransposons are gene segments that proliferate in the genome, and the Long INterspersed Element 1 (LINE-1 or L1) retrotransposon is active in humans. Although older mammals show enhanced skeletal muscle L1 expression, exercise generally reverses this trend. We hypothesize skeletal muscle L1 expression influences muscle physiology, and additional innovative investigations are needed to confirm this hypothesis.
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- 2023
10. Editorial: The National Clinical Social Work Examination - ASWB
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Laura Groshong and Kendra Roberson
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- 2023
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11. Roving consumers of pleasure: at the conceptual intersection of sport tourism and sex tourism
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Derek Van Rheenen and Rachel Roberson
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Tourism, Leisure and Hospitality Management - Published
- 2023
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12. Auto-Synthesis of High-Performance Power System Compensators
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Jonathan Tacke, John F. O’Brien, and Dakota Roberson
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Energy Engineering and Power Technology ,Electrical and Electronic Engineering - Published
- 2023
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13. Beyond Evaluation: Using Equity Audits for Advanced-Level Programs
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Javetta Jones Roberson
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Developmental and Educational Psychology ,Education - Abstract
As gifted and advanced level leaders move to increasing efforts of inclusivity in their programs, there is a need to use evaluative measures focusing on equity for systemic change and growth. Equity Audits can provide leaders with a holistic perspective of their programming and how they can use the data to shift the culture, identify inequities and and address those inequities through intentional goal setting and problem solving for support. This article focuses on how gifted and advanced level leaders develop Equity Audits for their programs as a way to understand program data holistically, facilitate change and promote an overall sense of goal setting based on the well-being of students, teachers, and stakeholders who support their programs.
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- 2023
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14. Feasibility and acceptability of curricula to promote healthy eating in the golden years
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Lauren B. Roberson, Kimberly A. Parker, Bobi Ivanov, and Erin B. Hester
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Cultural Studies ,Sociology and Political Science - Published
- 2023
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15. Understanding racism in the workplace
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Quinetta Roberson
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Applied Psychology - Published
- 2023
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16. Acute, Traumatic Rotator Cuff Tears Have Smaller Critical Shoulder Angles Than Degenerative Tears
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Michael H. Amini, Midhat Patel, Geoffrey P. Stone, Troy A. Roberson, Tyler J. Brolin, and Joshua B. Sykes
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Male ,Rupture ,Shoulder ,Rotator Cuff ,Shoulder Joint ,Humans ,Female ,Orthopedics and Sports Medicine ,Middle Aged ,Lacerations ,Rotator Cuff Injuries ,Retrospective Studies - Abstract
To determine whether the critical shoulder angle (CSA) in acute, traumatic rotator cuff tears (RCTs) is consistent with the previously described CSA in chronic degenerative RCTs.We performed a multicenter retrospective analysis of 134 patients presenting to 5 surgeons fellowship trained in shoulder and elbow or sports. Preoperative imaging was used to measure the CSA and tear characteristics. Patients were included if they had acute, traumatic full-thickness RCTs documented on advanced imaging and had preoperative Grashey radiographs. Patients were excluded if they had any history of shoulder pain, injury, surgery, or treatment prior to the current episode; were overhead athletes; or had fatty infiltration greater than Goutallier grade 1 on imaging.The mean CSA was 33.5° (standard deviation, 4.1°), and 60% of tears had a CSA of less than 35°, much below the mean of 38.0° and the threshold of greater than 35° in degenerative RCTs. The mean age was 58 years, and 70% of patients were men. Overall, 60% of tears involved the subscapularis, 49% of tears occurred in patients aged 60 years or older, and 18% of patients sustained a dislocation. Older age (β = 0.316, P = .003) and male sex (β = 5.532, P = .025) were predictive of tear size, and older age (β = 0.229, P = .011) and biceps avulsion (β = 8.822, P = .012) were predictive of tear retraction.Acute, traumatic RCTs have CSAs that are 5° smaller than those of degenerative tears, and the majority (60%) have CSAs that are below the threshold consistent with degenerative RCTs. The majority of traumatic tears (60%) involve the subscapularis.The study findings suggest that a traumatic tear is not simply the acute failure of a degenerative tendon and that it represents a distinct pathologic entity. These findings support current practice of treating traumatic RCTs differently than degenerative RCTs.
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- 2023
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17. Practical applications of implementing integrated mental health practices with primary care providers
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Christopher Ervin, Sharon A. Rachel, LeThenia Joy Baker, Linu Joseph, Daniel Roberson, and Folashade Omole
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General Medicine ,General Psychology - Published
- 2023
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18. Quantitative EEG signatures of delirium and coma in mechanically ventilated ICU patients
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Shawniqua, Williams Roberson, Naureen A, Azeez, Jenna N, Fulton, Kevin C, Zhang, Aaron X T, Lee, Fei, Ye, Pratik, Pandharipande, Nathan E, Brummel, Mayur B, Patel, and E Wesley, Ely
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Neurology ,Physiology (medical) ,Neurology (clinical) ,Sensory Systems - Abstract
To identify quantitative electroencephalography (EEG)-based indicators of delirium or coma in mechanically ventilated patients.We prospectively enrolled 28 mechanically ventilated intensive care unit (ICU) patients to undergo 24-hour continuous EEG, 25 of whom completed the study. We assessed patients twice daily using the Richmond Agitation-Sedation Scale (RASS) and Confusion Assessment Method for the ICU (CAM-ICU). We evaluated the spectral profile, regional connectivity and complexity of 5-minute EEG segments after each assessment. We used penalized regression to select EEG metrics associated with delirium or coma, and compared mixed-effects models predicting delirium with and without the selected EEG metrics.Delta variability, high-beta variability, relative theta power, and relative alpha power contributed independently to EEG-based identification of delirium or coma. A model with these metrics achieved better prediction of delirium or coma than a model with clinical variables alone (Akaike Information Criterion: 36 vs 43, p = 0.006 by likelihood ratio test). The area under the receiver operating characteristic curve for an ad hoc hypothetical delirium score using these metrics was 0.94 (95%CI 0.83-0.99).We identified four EEG metrics that, in combination, provided excellent discrimination between delirious/comatose and non-delirious mechanically ventilated ICU patients.Our findings give insight to neurophysiologic changes underlying delirium and provide a basis for pragmatic, EEG-based delirium monitoring technology.
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- 2023
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19. Reduced SPAG17 Expression in Systemic Sclerosis Triggers Myofibroblast Transition and Drives Fibrosis
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Paulene Sapao, Elisha D.O. Roberson, Bo Shi, Shervin Assassi, Brian Skaug, Fred Lee, Alexandra Naba, Bethany E. Perez White, Carlos Córdova-Fletes, Pei-Suen Tsou, Amr H. Sawalha, Johann E. Gudjonsson, Feiyang Ma, Priyanka Verma, Dibyendu Bhattacharyya, Mary Carns, Jerome F. Strauss, Delphine Sicard, Daniel J. Tschumperlin, Melissa I. Champer, Paul J. Campagnola, Maria E. Teves, and John Varga
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Cell Biology ,Dermatology ,Molecular Biology ,Biochemistry - Abstract
Systemic sclerosis (SSc) is a clinically heterogeneous fibrotic disease with no effective treatment. Myofibroblasts are responsible for unresolving synchronous skin and internal organ fibrosis in SSc, but the drivers of sustained myofibroblast activation remain poorly understood. Using unbiased transcriptome analysis of skin biopsies, we identified the downregulation of SPAG17 in multiple independent cohorts of patients with SSc, and by orthogonal approaches, we observed a significant negative correlation between SPAG17 and fibrotic gene expression. Fibroblasts and endothelial cells explanted from SSc skin biopsies showed reduced chromatin accessibility at the SPAG17 locus. Remarkably, mice lacking Spag17 showed spontaneous skin fibrosis with increased dermal thickness, collagen deposition and stiffness, and altered collagen fiber alignment. Knockdown of SPAG17 in human and mouse fibroblasts and microvascular endothelial cells was accompanied by spontaneous myofibroblast transformation and markedly heightened sensitivity to profibrotic stimuli. These responses were accompanied by constitutive TGF-β pathway activation. Thus, we discovered impaired expression of SPAG17 in SSc and identified, to our knowledge, a previously unreported cell-intrinsic role for SPAG17 in the negative regulation of fibrotic responses. These findings shed fresh light on the pathogenesis of SSc and may inform the search for innovative therapies for SSc and other fibrotic conditions through SPAG17 signaling.
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- 2023
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20. Does Alteration of the Microbiome Cause Diverticular Disease?
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Jeffrey L. Roberson and Lillias M. Maguire
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Gastroenterology ,Surgery - Abstract
The role of the microbiome in influencing the development and course of human disease is increasingly understood and appreciated. In diverticular disease, the microbiome presents an intriguing potential link between the disease and its long-established risk factors, dietary fiber and industrialization. However, current data have yet to demonstrate a clear link between specific alterations in the microbiome and diverticular disease. The largest study of diverticulosis is negative and studies of diverticulitis are small and heterogeneous. Although multiple disease-specific hurdles exist, the early state of the current research and the many un- or underexplored clinical phenotypes present a significant opportunity for investigators to improve our knowledge of this common and incompletely understood disease.
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- 2023
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21. Comparison of the ‘ <scp>iROC’</scp> trial participants to patients with bladder cancer in the United States undergoing radical cystectomy
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Daniel S. Roberson, Leilei Xia, Daniel J. Lee, Phillip M. Pierorazio, S. Bruce Malkowicz, Ronac Mamtani, Thomas J. Guzzo, and Trinity J. Bivalacqua
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Urology - Published
- 2023
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22. Knowledge mobilization in clinical supervision - an autoethnographic analysis of creating the clinical supervision connection podcast
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Jacob A. Moore, Katheryn Roberson, Karen M. Sewell, and Lauren Deimling Johns
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Psychiatry and Mental health ,Clinical Psychology ,Education - Published
- 2023
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23. Preclinical Interventions in Mouse Models of Frontotemporal Dementia Due to Progranulin Mutations
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Shreya N. Kashyap, Nicholas R. Boyle, and Erik D. Roberson
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Pharmacology ,Pharmacology (medical) ,Neurology (clinical) - Abstract
Heterozygous loss-of-function mutations in progranulin (GRN) cause frontotemporal dementia (FTD), a leading cause of early-onset dementia characterized clinically by behavioral, social, and language deficits. There are currently no FDA-approved therapeutics for FTD-GRN, but this has been an active area of investigation, and several approaches are now in clinical trials. Here, we review preclinical development of therapies for FTD-GRN with a focus on testing in mouse models. Since most FTD-GRN-associated mutations cause progranulin haploinsufficiency, these approaches focus on raising progranulin levels. We begin by considering the disorders associated with altered progranulin levels, and then review the basics of progranulin biology including its lysosomal, neurotrophic, and immunomodulatory functions. We discuss mouse models of progranulin insufficiency and how they have been used in preclinical studies on a variety of therapeutic approaches. These include approaches to raise progranulin expression from the normal allele or facilitate progranulin production by the mutant allele, as well as approaches to directly increase progranulin levels by delivery across the blood–brain barrier or by gene therapy. Several of these approaches have entered clinical trials, providing hope that new therapies for FTD-GRN may be the next frontier in the treatment of neurodegenerative disease.
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- 2023
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24. New insights into the genetic etiology of Alzheimer's disease and related dementias
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Bellenguez, C., Küçükali, F., Jansen, I. E., Kleineidam, L., Moreno-Grau, S., Amin, N., Naj, A. C., Campos-Martin, R., Grenier-Boley, B., Andrade, V., Holmans, P. A., Boland, A., Damotte, V., van der Lee, S. J., Costa, M. R., Kuulasmaa, T., Yang, Q., de Rojas, I., Bis, J. C., Yaqub, A., Prokic, I., Chapuis, J., Ahmad, S., Giedraitis, V., Aarsland, D., Garcia-Gonzalez, P., Abdelnour, C., Alarcón-Martín, E., Alcolea, D., Alegret, M., Alvarez, I., Álvarez, V., Armstrong, N. J., Tsolaki, A., Antúnez, C., Appollonio, I., Arcaro, M., Archetti, S., Pastor, A. A., Arosio, B., Athanasiu, L., Bailly, H., Banaj, N., Baquero, M., Barral, S., Beiser, A., Pastor, A. B., Below, J. E., Benchek, P., Benussi, L., Berr, C., Besse, C., Bessi, V., Binetti, G., Bizarro, A., Blesa, R., Boada, M., Boerwinkle, E., Borroni, B., Boschi, S., Bossù, P., Bråthen, G., Bressler, J., Bresner, C., Brodaty, H., Brookes, K. J., Brusco, L. I., Buiza-Rueda, D., Bûrger, K., Burholt, V., Bush, W. S., Calero, M., Cantwell, L. B., Chene, G., Chung, J., Cuccaro, M. L., Carracedo, Á., Cecchetti, R., Cervera-Carles, L., Charbonnier, C., Chen, H. -H., Chillotti, C., Ciccone, S., Claassen, J. A. H. R., Clark, C., Conti, E., Corma-Gómez, A., Costantini, E., Custodero, C., Daian, D., Dalmasso, M. C., Daniele, A., Dardiotis, E., Dartigues, J. -F., de Deyn, P. P., de Paiva Lopes, K., de Witte, L. D., Debette, S., Deckert, J., del Ser, T., Denning, N., Destefano, A., Dichgans, M., Diehl-Schmid, J., Diez-Fairen, M., Rossi, P. D., Djurovic, S., Duron, E., Düzel, E., Dufouil, C., Eiriksdottir, G., Engelborghs, S., Escott-Price, V., Espinosa, A., Ewers, M., Faber, K. M., Fabrizio, T., Nielsen, S. F., Fardo, D. W., Farotti, L., Fenoglio, C., Fernández-Fuertes, M., Ferrari, R., Ferreira, C. B., Ferri, E., Fin, B., Fischer, P., Fladby, T., Fließbach, K., Fongang, B., Fornage, M., Fortea, J., Foroud, T. M., Fostinelli, S., Fox, N. C., Franco-Macías, E., Bullido, M. J., Frank-García, A., Froelich, L., Fulton-Howard, B., Galimberti, D., García-Alberca, J. M., García-González, P., Garcia-Madrona, S., Garcia-Ribas, G., Ghidoni, R., Giegling, I., Giorgio, G., Goate, A. M., Goldhardt, O., Gomez-Fonseca, D., González-Pérez, A., Graff, C., Grande, G., Green, E., Grimmer, T., Grünblatt, E., Grunin, M., Gudnason, V., Guetta-Baranes, T., Haapasalo, A., Hadjigeorgiou, G., Haines, J. L., Hamilton-Nelson, K. L., Hampel, H., Hanon, O., Hardy, J., Hartmann, A. M., Hausner, L., Harwood, J., Heilmann-Heimbach, S., Helisalmi, S., Heneka, M. T., Hernández, I., Herrmann, M. J., Hoffmann, P., Holmes, C., Holstege, H., Vilas, R. H., Hulsman, M., Humphrey, J., Biessels, G. J., Jian, X., Johansson, C., Jun, G. R., Kastumata, Y., Kauwe, J., Kehoe, P. G., Kilander, L., Ståhlbom, A. K., Kivipelto, M., Koivisto, A., Kornhuber, J., Kosmidis, M. H., Kukull, W. A., Kuksa, P. P., Kunkle, B. W., Kuzma, A. B., Lage, C., Laukka, E. J., Launer, L., Lauria, A., Lee, C. -Y., Lehtisalo, J., Lerch, O., Lleó, A., Longstreth, W., Lopez, O., de Munain, A. L., Love, S., Löwemark, M., Luckcuck, L., Lunetta, K. L., Ma, Y., Macías, J., Macleod, C. A., Maier, W., Mangialasche, F., Spallazzi, M., Marquié, M., Marshall, R., Martin, E. R., Montes, A. M., Rodríguez, C. M., Masullo, C., Mayeux, R., Mead, S., Mecocci, P., Medina, M., Meggy, A., Mehrabian, S., Mendoza, S., Menéndez-González, M., Mir, P., Moebus, S., Mol, M., Molina-Porcel, L., Montrreal, L., Morelli, L., Moreno, F., Morgan, K., Mosley, T., Nöthen, M. M., Muchnik, C., Mukherjee, S., Nacmias, B., Ngandu, T., Nicolas, G., Nordestgaard, B. G., Olaso, R., Orellana, A., Orsini, M., Ortega, G., Padovani, A., Paolo, C., Papenberg, G., Parnetti, L., Pasquier, F., Pastor, P., Peloso, G., Pérez-Cordón, A., Pérez-Tur, J., Pericard, P., Peters, O., Pijnenburg, Y. A. L., Pineda, J. A., Piñol-Ripoll, G., Pisanu, C., Polak, T., Popp, J., Posthuma, D., Priller, J., Puerta, R., Quenez, O., Quintela, I., Thomassen, J. Q., Rábano, A., Rainero, I., Rajabli, F., Ramakers, I., Real, L. M., Reinders, M. J. T., Reitz, C., Reyes-Dumeyer, D., Ridge, P., Riedel-Heller, S., Riederer, P., Roberto, N., Rodriguez-Rodriguez, E., Rongve, A., Allende, I. R., Rosende-Roca, M., Royo, J. L., Rubino, E., Rujescu, D., Sáez, M. E., Sakka, P., Saltvedt, I., Sanabria, Á., Sánchez-Arjona, M. B., Sanchez-Garcia, F., Juan, P. S., Sánchez-Valle, R., Sando, S. B., Sarnowski, C., Satizabal, C. L., Scamosci, M., Scarmeas, N., Scarpini, E., Scheltens, P., Scherbaum, N., Scherer, M., Schmid, M., Schneider, A., Schott, J. M., Selbæk, G., Seripa, D., Serrano, M., Sha, J., Shadrin, A. A., Skrobot, O., Slifer, S., Snijders, G. J. L., Soininen, H., Solfrizzi, V., Solomon, A., Song, Y. E., Sorbi, S., Sotolongo-Grau, O., Spalletta, G., Spottke, A., Squassina, A., Stordal, E., Tartan, J. 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[0000-0003-2617-3009], Bossù, Paola [0000-0002-1432-0078], Bråthen, Geir [0000-0003-3224-7983], Bressler, Jan [0000-0001-6578-4772], Bresner, Catherine [0000-0003-2673-9762], Brodaty, Henry [0000-0001-9487-6617], Brookes, Keeley J [0000-0003-2427-2513], Burholt, Vanessa [0000-0002-6789-127X], Bush, William S [0000-0002-9729-6519], Calero, Miguel [0000-0001-5366-3324], Chung, Jaeyoon [0000-0002-6431-9454], Cervera-Carles, Laura [0000-0003-2286-200X], Costantini, Emanuele [0000-0002-1096-8221], Dalmasso, Maria Carolina [0000-0002-4901-9955], de Paiva Lopes, Katia [0000-0002-0240-0126], de Witte, Lot D [0000-0002-7235-9958], Debette, Stéphanie [0000-0001-8675-7968], Del Ser, Teodoro [0000-0001-9806-7083], Dichgans, Martin [0000-0002-0654-387X], Diehl-Schmid, Janine [0000-0002-7745-1382], Diez-Fairen, Mónica [0000-0003-1882-0309], Djurovic, Srdjan [0000-0002-8140-8061], Dufouil, Carole [0000-0003-2442-4476], Escott-Price, Valentina [0000-0003-1784-5483], Ewers, Michael [0000-0001-5231-1714], Fabrizio, Tagliavini [0000-0003-1039-7315], Fladby, Tormod [0000-0002-9984-9797], Fornage, Myriam [0000-0003-0677-8158], Fox, Nick C [0000-0002-6660-657X], Bullido, María J [0000-0002-6477-1117], Froelich, Lutz [0000-0003-1494-0813], Galimberti, Daniela [0000-0002-9284-5953], García-Alberca, Jose Maria [0000-0003-2951-6644], Goate, Alison M [0000-0002-0576-2472], González-Pérez, Antonio [0000-0001-9771-5982], Green, Emma [0000-0002-8687-5590], Grünblatt, Edna [0000-0001-8505-7265], Gudnason, Vilmundur [0000-0001-5696-0084], Haapasalo, Annakaisa [0000-0003-0959-2957], Harwood, Janet [0000-0002-3225-0069], Heilmann-Heimbach, Stefanie [0000-0003-1057-465X], Herrmann, Martin J [0000-0001-9970-2122], Holstege, Henne [0000-0002-7688-3087], Biessels, Geert Jan [0000-0001-6862-2496], Jian, Xueqiu [0000-0002-0313-6494], Johansson, Charlotte [0000-0002-5351-1950], Jun, Gyungah R [0000-0002-3230-8697], Kastumata, Yuriko [0000-0002-0188-8094], Kehoe, Patrick G [0000-0002-7542-1139], Kornhuber, Johannes [0000-0002-8096-3987], Kosmidis, Mary H [0000-0001-8790-1220], Lage, Carmen [0000-0003-1703-121X], Launer, Lenore [0000-0002-3238-7612], Lee, Chien-Yueh [0000-0002-4304-974X], Lleó, Alberto [0000-0002-2568-5478], Lopez, Oscar [0000-0002-8546-8256], de Munain, Adolfo Lopez [0000-0002-9509-4032], Lunetta, Kathryn L [0000-0002-9268-810X], Ma, Yiyi [0000-0002-3609-8877], MacLeod, Catherine A [0000-0002-9314-7380], Marquié, Marta [0000-0002-0660-0950], Montes, Angel Martín [0000-0002-1694-786X], Mead, Simon [0000-0002-4326-1468], Medina, Miguel [0000-0002-7016-5340], Menéndez-González, Manuel [0000-0002-5218-0774], Mol, Merel [0000-0003-2533-2530], Morgan, Kevin [0000-0002-8217-2396], Nöthen, Markus M [0000-0002-8770-2464], Muchnik, Carolina [0000-0002-1542-3706], Nacmias, Benedetta [0000-0001-9338-9040], Nicolas, Gael [0000-0001-9391-7800], Nordestgaard, Børge G [0000-0002-1954-7220], Pasquier, Florence [0000-0001-9880-9788], Pastor, Pau [0000-0002-7493-8777], Peloso, Gina [0000-0002-5355-8636], Pérez-Cordón, Alba [0000-0002-6028-0791], Pérez-Tur, Jordi [0000-0002-9111-1712], Pericard, Pierre [0000-0001-8167-6448], Pineda, Juan A [0000-0002-3751-0296], Pisanu, Claudia [0000-0002-9151-4319], Posthuma, Danielle [0000-0001-7582-2365], Puerta, Raquel [0000-0002-1191-5893], Quenez, Olivier [0000-0002-8273-8505], Thomassen, Jesper Qvist [0000-0003-3484-9531], Real, Luis M [0000-0003-4932-7429], Reinders, Marcel JT [0000-0002-1148-1562], Reitz, Christiane [0000-0001-8757-7889], Riedel-Heller, Steffi [0000-0003-4321-6090], Rodriguez-Rodriguez, Eloy [0000-0001-7742-677X], Rongve, Arvid [0000-0002-0476-4134], Sáez, María Eugenia [0000-0001-9299-2534], Saltvedt, Ingvild [0000-0002-7897-9808], Juan, Pascual Sánchez [0000-0002-6081-8037], Sarnowski, Chloé [0000-0002-6090-7099], Satizabal, Claudia L [0000-0002-1115-4430], Schott, Jonathan M [0000-0003-2059-024X], Selbæk, Geir [0000-0001-6511-8219], Shadrin, Alexey A [0000-0002-7467-250X], Soininen, Hilkka [0000-0002-2785-9937], Solfrizzi, Vincenzo [0000-0002-8524-0315], Song, Yeunjoo [0000-0002-7452-3731], Sotolongo-Grau, Oscar [0000-0002-9679-0670], Spalletta, Gianfranco [0000-0002-7432-4249], Squassina, Alessio [0000-0001-7415-7607], Stordal, Eystein [0000-0002-2443-7923], Tosto, Giuseppe [0000-0001-7075-8245], Uitterlinden, Andre [0000-0002-7276-3387], Valladares, Otto [0000-0001-8055-2187], Broeckhoven, Christine Van [0000-0003-0183-7665], Vidal, Jean-Sébastien [0000-0001-6770-0720], Vogelgsang, Jonathan [0000-0001-9326-8193], Wagner, Michael [0000-0003-2589-6440], Wallon, David [0000-0002-2634-7198], Wiltfang, Jens [0000-0003-1492-5330], Woods, Bob [0000-0002-6781-651X], Yannakoulia, Mary [0000-0003-2171-7337], Zare, Habil [0000-0001-5902-6238], Zhang, Xiaoling [0000-0001-8237-1857], Farrer, Lindsay A [0000-0001-5533-4225], Psaty, Bruce M [0000-0002-7278-2190], Ghanbari, Mohsen [0000-0002-9476-7143], Raj, Towfique [0000-0002-9355-5704], Sachdev, Perminder [0000-0002-9595-3220], Mather, Karen [0000-0003-4143-8941], Ikram, M Arfan [0000-0003-0372-8585], Tsolaki, Magda [0000-0002-2072-8010], Pericak-Vance, Margaret A [0000-0001-7283-8804], Amouyel, Philippe [0000-0001-9088-234X], Williams, Julie [0000-0002-4069-0259], Frikke-Schmidt, Ruth [0000-0003-4084-5027], Seshadri, Sudha [0000-0001-6135-2622], Andreassen, Ole A [0000-0002-4461-3568], Sleegers, Kristel [0000-0002-0283-2332], van Duijn, Cornelia M [0000-0002-2374-9204], Sims, Rebecca [0000-0002-3885-1199], van der Flier, Wiesje M [0000-0001-8766-6224], Ramirez, Alfredo [0000-0003-4991-763X], Lambert, Jean-Charles [0000-0003-0829-7817], Apollo - University of Cambridge Repository, Complex Trait Genetics, Clinical sciences, Neuroprotection & Neuromodulation, Pathologic Biochemistry and Physiology, Clinical Biology, Epidemiology, Internal Medicine, Psychiatrie & Neuropsychologie, RS: MHeNs - R1 - Cognitive Neuropsychiatry and Clinical Neuroscience, MUMC+: MA Med Staf Spec Psychiatrie (9), UAM. Departamento de Biología Molecular, University of Helsinki, Department of Neurosciences, HUS Internal Medicine and Rehabilitation, Timo Strandberg / Principal Investigator, Department of Medicine, Clinicum, HUS Neurocenter, Neurologian yksikkö, Centre of Excellence in Complex Disease Genetics, HUS Abdominal Center, Institut Pasteur, Institut National de la Santé et de la Recherche Médicale (France), European Commission, LabEx DISTALZ, Pérez-Tur, Jordi, University Children’s Hospital Basel (Suiza), INSERM (Francia), Lille Métropole Communauté Urbaine, Government of France (Francia), EADB, GR@ACE, DEGESCO, EADI, GERAD, Demgene, FinnGen, ADGC, CHARGE, Holmans, Peter A. [0000-0003-0870-9412], van der Lee, Sven J. [0000-0003-1606-8643], Costa, Marcos R. [0000-0002-4928-2163], Bis, Joshua C. [0000-0002-3409-1110], Brookes, Keeley J. [0000-0003-2427-2513], Bush, William S. [0000-0002-9729-6519], de Witte, Lot D. [0000-0002-7235-9958], del Ser, Teodoro [0000-0001-9806-7083], Fox, Nick C. [0000-0002-6660-657X], Bullido, María J. [0000-0002-6477-1117], Goate, Alison M. [0000-0002-0576-2472], Herrmann, Martin J. [0000-0001-9970-2122], Jun, Gyungah R. [0000-0002-3230-8697], Kehoe, Patrick G. [0000-0002-7542-1139], Kosmidis, Mary H. [0000-0001-8790-1220], Lunetta, Kathryn L. [0000-0002-9268-810X], MacLeod, Catherine A. [0000-0002-9314-7380], Nöthen, Markus M. [0000-0002-8770-2464], Nordestgaard, Børge G. [0000-0002-1954-7220], Pineda, Juan A. [0000-0002-3751-0296], Real, Luis M. [0000-0003-4932-7429], Reinders, Marcel J. T. [0000-0002-1148-1562], Satizabal, Claudia L. [0000-0002-1115-4430], Schott, Jonathan M. [0000-0003-2059-024X], Shadrin, Alexey A. [0000-0002-7467-250X], Farrer, Lindsay A. [0000-0001-5533-4225], Psaty, Bruce M. [0000-0002-7278-2190], Ikram, M. Arfan [0000-0003-0372-8585], Pericak-Vance, Margaret A. [0000-0001-7283-8804], Andreassen, Ole A. [0000-0002-4461-3568], van Duijn, Cornelia M. [0000-0002-2374-9204], van der Flier, Wiesje M. [0000-0001-8766-6224], and Molecular Neuroscience and Ageing Research (MOLAR)
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tau Proteins/genetics ,Alzheimer`s disease Donders Center for Medical Neuroscience [Radboudumc 1] ,Neurologi ,MED/03 - GENETICA MEDICA ,45/43 ,Medizin ,Stress-related disorders Donders Center for Medical Neuroscience [Radboudumc 13] ,genetics [Alzheimer Disease] ,Genome-Wide Association Study ,Humans ,tau Proteins ,Alzheimer Disease ,Cognitive Dysfunction ,VARIANTS ,pathology [Alzheimer Disease] ,Tau Proteins ,Settore BIO/13 - Biologia Applicata ,Cognitive Dysfunction/psychology ,692/699/375/365/1283 ,IMPUTATION ,article ,1184 Genetics, developmental biology, physiology ,Biología y Biomedicina / Biología ,AMYLOID-BETA ,Settore MED/26 - NEUROLOGIA ,Neurology ,psychology [Cognitive Dysfunction] ,Medical Genetics ,Human ,Neuroscience(all) ,631/208/205/2138 ,All institutes and research themes of the Radboud University Medical Center ,SDG 3 - Good Health and Well-being ,ddc:570 ,Genetics ,Genetic Predisposition to Disease ,GENOME-WIDE ASSOCIATION ,METAANALYSIS ,Medicinsk genetik ,MED/26 - NEUROLOGIA ,Alzheimer Disease/genetics ,neurology ,tau Protein ,NECROSIS-FACTOR-ALPHA ,RISK LOCI ,genetics [tau Proteins] ,PREDICTION MODELS ,Human medicine ,GENERATION ,RESPONSES - Abstract
25 páginas, 6 figuras, 2 tablas, Characterization of the genetic landscape of Alzheimer's disease (AD) and related dementias (ADD) provides a unique opportunity for a better understanding of the associated pathophysiological processes. We performed a two-stage genome-wide association study totaling 111,326 clinically diagnosed/'proxy' AD cases and 677,663 controls. We found 75 risk loci, of which 42 were new at the time of analysis. Pathway enrichment analyses confirmed the involvement of amyloid/tau pathways and highlighted microglia implication. Gene prioritization in the new loci identified 31 genes that were suggestive of new genetically associated processes, including the tumor necrosis factor alpha pathway through the linear ubiquitin chain assembly complex. We also built a new genetic risk score associated with the risk of future AD/dementia or progression from mild cognitive impairment to AD/dementia. The improvement in prediction led to a 1.6- to 1.9-fold increase in AD risk from the lowest to the highest decile, in addition to effects of age and the APOE ε4 allele., This work was funded by a grant (EADB) from the EU Joint Programme – Neurodegenerative Disease Research. INSERM UMR1167 is also funded by the INSERM, Institut Pasteur de Lille, Lille Métropole Communauté Urbaine and French government’s LABEX DISTALZ program (development of innovative strategies for a transdisciplinary approach to AD). Full consortium acknowledgements and funding are in the Supplementary Not
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- 2022
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25. Effect of good handling on stress indicators and behaviour in beef cattle
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Carla Comerlato Jardim, Isabella Dias Barbosa Silveira, João Restle, Fábio Souza Mendonça, Javier Alexander Bethancourt-Garcia, Roberson Macedo de Oliveira, Renata Espindola de Moares, Nathália Pasi Reis, and Ricardo Zambarda Vaz
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General Agricultural and Biological Sciences - Abstract
Aspects related to good handling practices have significant impacts on animal behaviour with positive effects on the productivity and profitability of production systems. This study investigated the impact of good handling practices on the modification of stress indicators and the behaviour of beef cattle. Thirty-six male castrated bovines at the growth stage were evaluated for 490 days and submitted to two different production systems in Southern Brazil: good handling practices (GHP) and a traditional handling system of beef-cattle farming (THS). Body weight, reactivity indicators (flight distance and composite behaviour score), and blood indicators of stress (glucose and cortisol) were measured. An analysis of variance was carried out with measurements repeated over time, and Pearson's correlation applied between the variables mentioned above. No differences were found (P>0.05) for body weight in any of the evaluations, with initial weights of 196.2 and 196.3 kg and final weights of 431.0 and 413.8 kg for the GHP and THS steers, respectively. The GHP determined better values for the stress and behavioural indicators compared to THS (P
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- 2022
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26. Learning Through Doing: Comprehensive Programming for a Training Program in Cancer Disparities
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Kayce D. Solari Williams, Kamisha Hamilton Escoto, Crystal Roberson, Kathy Le, Lorraine R. Reitzel, Lorna H. McNeill, and Shine Chang
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Oncology ,Public Health, Environmental and Occupational Health - Abstract
In the United States, preparing researchers and practitioners for careers in cancer requires multiple components for success. In this reflection article, we discuss our approach to designing a comprehensive research training program in cancer disparities. We focused on elements that provide students and early career scientists a deep understanding of disparities through first-hand experiences and skills training necessary to build a research career in the area. Our Educational Program sits within the framework of an NCI P20 program, “UHAND (U niversity of Houston/MD And erson Cancer Center)”, jointly established by an NCI-designated comprehensive cancer center and a minority-serving university as a collaborative partnership devoted to the elimination of cancer inequities among disproportionately affected racial and ethnic groups (UHAND Program to Reduce Cancer Disparities; NCI P20CA221696/ P20CA221697). The Education Program was designed to build on and enhance skills that are critical to pursuing a career in cancer disparities research at the undergraduate, doctoral, and post-doctoral levels—such as scientific communication, career planning and development, professional and community-based collaboration, and resilience in addition to solid scientific training. As such, our program integrates (1) opportunities for learning through service to community organizations providing resources to populations with documented cancer disparities, (2) a tailored curriculum of learning activities with program leadership and mentored research with scientists focused on cancer disparities and cancer prevention, (3) professional development training critical to career success in disparities research, and (4) support to address unique challenges faced by trainees from backgrounds that are historically underrepresented in research.
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- 2022
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27. Cocoabsent?
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Heather Moore Roberson
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Cultural Studies ,Gender Studies ,Social Psychology ,Developmental and Educational Psychology ,Life-span and Life-course Studies ,Education - Abstract
The hit streaming series Cocomelon has become a household name for many families with infants, toddlers, and kids at heart. Cocomelon introduces our youngest population(s) to a Western world that privileges flawed and utopian post-racial perspectives. I contend that the show presents a perspective on race and identity that glorifies color-blindness and ignores racial differences that would educate children about the complexity and beauty of diversity. This commentary imagines a Black infant and toddler boyhood in children’s media that prioritizes race, culture, and identity and recommends other children’s programs that invest in culturally diverse representations of childhood.
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- 2022
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28. Introduction: The New Campus Novel
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Matthew Roberson
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General Medicine - Published
- 2022
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29. Different Roots, Different Fruits: Gender-Based Differences in Cultural Narratives about Perceived Discrimination Produce Divergent Psychological Consequences
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Jacob W. Roberson, Leigh Plunkett Tost, Francesca Gino, and Ashley Elizabeth Hardin
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Gender discrimination ,Organizational behavior ,Management of Technology and Innovation ,Strategy and Management ,Narrative ,Business and International Management ,Psychology ,Topic areas ,General Business, Management and Accounting ,Social psychology - Abstract
We examine whether narratives about, and the psychological consequences of, perceived gender discrimination differ between women and men. We argue that women and men have different dominant narrati...
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- 2022
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30. Public Leaderboard Feedback in Sampling Competition: An Experimental Investigation
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Stanton Hudja, Brian Roberson, and Yaroslav Rosokha
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Economics and Econometrics ,Social Sciences (miscellaneous) - Abstract
We investigate the role of performance feedback, in the form of a public leaderboard, in a sequential-sampling contest with costly observations. We show theoretically that for contests with a fixed ending date (i.e., finite horizon), providing public performance feedback may result in fewer expected observations and a lower expected value of the winning observation. We conduct a controlled laboratory experiment to test the theoretical predictions, and find that the experimental results largely support the theory. In addition, we investigate how individual characteristics affect competitive sequential-sampling activity.
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- 2022
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31. An Active Perception Framework for Autonomous Underwater Vehicle Navigation Under Sensor Constraints
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Jing Sun, Matthew Johnson-Roberson, and Dongsik Chang
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Control and Systems Engineering ,Electrical and Electronic Engineering - Published
- 2022
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32. Energy-Optimal Control for Autonomous Underwater Vehicles Using Economic Model Predictive Control
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Niankai Yang, Dongsik Chang, Matthew Johnson-Roberson, and Jing Sun
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Control and Systems Engineering ,Electrical and Electronic Engineering - Published
- 2022
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33. School-Based Speech-Language Pathologists' Attitudes and Knowledge About Trauma-Informed Care
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Mikayla M. Roberson and Emily Lund
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Pathologists ,Health Knowledge, Attitudes, Practice ,Speech and Hearing ,Linguistics and Language ,Speech-Language Pathology ,Attitude of Health Personnel ,Surveys and Questionnaires ,Humans ,Speech ,Child ,Language and Linguistics - Abstract
Purpose: The purpose of this study was to evaluate the attitudes and knowledge of school-based speech-language pathologists toward trauma-informed care. Method: School-based speech-language pathologists ( N = 116) completed the Attitudes Related to Trauma-Informed Care Scale Version 45 Education (ARTIC-45) survey via an online survey platform and provided information about their work experience, history with trauma training, and demographic variables. Results: Although speech-language pathologists had responses that, on average, aligned with trauma-informed perspectives, those perspectives varied and were not at ceiling. Characteristics such as age, years of experience, and foster care experience did not significantly influence the results, but self-rating of trauma-informed care knowledge did correlate with the ARTIC-45 survey. Participants who had engaged in trauma-informed care trainings had more trauma-informed perspectives and knowledge than participants who had not. Conclusions: The results of this study provide preliminary evidence that trauma-informed care trainings may benefit those speech-language pathologists working with children who have experienced trauma. This study also provides preliminary evidence supporting the validity of the ARTIC-45 for use with speech-language pathologists.
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34. Examining Contextual Influences Affecting health-related Quality of life Among under-resourced Appalachian Patients Attending pop-up Medical Clinics
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Patricia N. E. Roberson, Jordan Tasman, Katherine A. Lenger, and Gina Cortez
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Health (social science) ,Public Health, Environmental and Occupational Health - Published
- 2022
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35. Cultural Considerations in Working with Black and African American Youth
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Qortni, Lang, Toya, Roberson-Moore, Kenneth M, Rogers, and Walter E, Wilson
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Black or African American ,Psychiatry and Mental health ,Mental Health ,Racism ,Adolescent ,Pediatrics, Perinatology and Child Health ,Humans ,Child ,Culturally Competent Care ,Delivery of Health Care ,United States - Abstract
This article seeks to provide an exploration of the contributors to the mental health of Black and African Americans. We explore the foundations of racism in this country as well as factors leading to systemic racism. It is important to gain an understanding of the multifaceted contributors to disparities in health care and mental health care. Black children and adolescents experience more poverty, discrimination, marginalization, and racism compared with their white counterparts in the United States (APA, 2017). These are factors that greatly impact the mental health of this population. In addition to exploring examples of disparities in diagnosis, treatment, and research on Black youth, we also provide recommendations for clinicians seeking to provide exemplary culturally sensitive care that recognizes the diverse and multifaceted nature of this population.
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- 2022
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36. Convergence of signaling pathways in mediating actions of leucine and IGF-1 on mTORC1 in L6 myoblasts
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Paul A. Roberson, Leonard S. Jefferson, and Scot R. Kimball
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Myoblasts ,Physiology ,Leucine ,TOR Serine-Threonine Kinases ,Cell Biology ,Insulin-Like Growth Factor I ,Mechanistic Target of Rapamycin Complex 1 ,Phosphorylation ,Proto-Oncogene Proteins c-akt ,Signal Transduction - Abstract
Leucine and insulin-like growth factor-1 (IGF-1) are important regulators of protein synthesis in skeletal muscle. The mechanistic target of rapamycin complex 1 (mTORC1) is of particular importance in their mechanism of action. In the present study, pathways through which leucine and IGF-1 converge to mediate activation of mTORC1 were examined in L6 myoblasts that were deprived of leucine and serum followed by readdition of either leucine or IGF-1. Compared with leucine- and serum-deprived myoblasts, IGF-1, but not leucine, promoted phosphorylation of protein kinase B (AKT), tuberous sclerosis complex 2 (TSC2), and the autophosphorylation site on mTOR (S2481) and also stimulated mTOR kinase activity in mTOR immunoprecipitated samples. Both leucine and IGF-1 promoted phosphorylation of mTOR on S2448. The association of mTOR with the regulatory-associated protein of mTOR (Raptor) was altered by IGF-1 treatment and trended ( P = 0.065) to be altered by leucine treatment. Alterations in the association of mTOR with Raptor were proportional to changes in phosphorylation of the mTOR substrates, eIF4E-binding protein 1 (4E-BP1), and ribosomal protein S6 Kinase-β1 (p70S6K1). Surprisingly, leucine, but not IGF-1, stimulated protein synthesis suggesting a unique role for nutrients in regulating protein synthesis. Overall, the results are consistent with a model whereby IGF-1 stimulates phosphorylation of 4E-BP1 and p70S6K1 in L6 myoblasts through an AKT-TSC2-mTORC1 signaling pathway that also involves changes in the interaction between mTOR and Raptor. In contrast, leucine signaling to mTOR results in alterations in certain mTOR phosphorylation sites and the interaction between mTOR and Raptor and stimulates protein synthesis.
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- 2023
37. Hyperspherical Embedding for Point Cloud Completion
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Zhang, Junming, Zhang, Haomeng, Vasudevan, Ram, and Johnson-Roberson, Matthew
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FOS: Computer and information sciences ,Computer Vision and Pattern Recognition (cs.CV) ,Computer Science - Computer Vision and Pattern Recognition - Abstract
Most real-world 3D measurements from depth sensors are incomplete, and to address this issue the point cloud completion task aims to predict the complete shapes of objects from partial observations. Previous works often adapt an encoder-decoder architecture, where the encoder is trained to extract embeddings that are used as inputs to generate predictions from the decoder. However, the learned embeddings have sparse distribution in the feature space, which leads to worse generalization results during testing. To address these problems, this paper proposes a hyperspherical module, which transforms and normalizes embeddings from the encoder to be on a unit hypersphere. With the proposed module, the magnitude and direction of the output hyperspherical embedding are decoupled and only the directional information is optimized. We theoretically analyze the hyperspherical embedding and show that it enables more stable training with a wider range of learning rates and more compact embedding distributions. Experiment results show consistent improvement of point cloud completion in both single-task and multi-task learning, which demonstrates the effectiveness of the proposed method.
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- 2023
38. The Specific Aims Page: A Primer
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Jeffrey L. Roberson, Lillias H. Maguire, John B. Mitchem, Scott E. Regenbogen, J. Joshua Smith, and Emina Huang
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Gastroenterology ,General Medicine - Published
- 2023
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39. Relationship quality and psychophysiological distress for underserved breast cancer patients and their caregiver before treatment
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Patricia N. E. Roberson, Gina Cortez, Teri Freeman, Jillian Lloyd, Jordan Tasman, and Sarah B. Woods
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Psychiatry and Mental health ,Caregivers ,Oncology ,Depression ,Quality of Life ,Humans ,Pain ,Female ,Breast Neoplasms ,Experimental and Cognitive Psychology ,Neoplasm Recurrence, Local ,Anxiety ,Fatigue - Abstract
Breast cancer patients and caregivers experience biobehavioral reactivity (e.g., depression, anxiety, pain, fatigue) during breast cancer treatment which predicts cancer recurrence and mortality. High quality patient-caregiver relationships can mitigate this distress during treatment, but this association is unclear pre-treatment. Identifying early interventions that target high risk Appalachian patients could impact biobehavioral reactivity.We recruited 55 breast cancer patient-caregiver dyads to complete a self-report survey after diagnosis but before treatment. We used a series of Actor-Partner Interdependence Models to test the hypotheses that both patient and caregiver relationship quality would be linked to their own and their partners' biobehavioral reactivity.Caregiver reported marital quality lower caregiver anxiety, patient anxiety, caregiver depression, patient depression, caregiver pain, and caregiver fatigue. Interestingly, patient-reported marital quality was linked with higher caregiver anxiety, higher patient anxiety, lower patient depression, and lower patient pain. Patients reported family quality was linked to lower patient and caregiver pain.This study demonstrates that pre-treatment marital and family quality levels are directly related to psychophysiological measures in both the caregiver and the patient, though sometimes in unexpected directions. Additionally, our findings potentially reveal an opportunity to intervene at the time of diagnosis to improve relationship quality, impacting patient and caregiver psychophysiological outcomes.
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- 2022
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40. Temporal order of clinical and biomarker changes in familial frontotemporal dementia
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Staffaroni, Adam M, Quintana, Melanie, Heller, Carolin, Boeve, Bradley F, Rosen, Howard J, Rohrer, Jonathan D, Boxer, Adam L, Initiative, Frontotemporal Dementia Prevention, Apostolova, Liana, Barmada, Sami, Boeve, Bradley, Bozoki, Andrea, Clark, Annie L, Clark, David, Coppola, Giovanni, Darby, Ryan, Dickson, Dennis, Faber, Kelley, Fagan, Anne, Galasko, Douglas R, Grant, Ian M, Huang, Eric, Kerwin, Diana, Taylor, Jack Carson, Lapid, Maria, Lee, Suzee, Leger, Gabriel, Masdeux, Joseph C, McGinnis, Scott, Mendez, Mario, Onyike, Chiadi, Pascual, M Belen, Pressman, Peter, Rademakers, Rosa, Wise, Amy, Ramanan, Vijay, Ritter, Aaron, Seeley, William W, Syrjanen, Jeremy, Taylor, Jack C, Weintraub, Sandra, Esteve, Aitana Sogorb, Nelson, Annabel, Greaves, Caroline V, Thomas, David L, Ong, Elise, Benotmane, Hanya, Zetterberg, Henrik, Nicholas, Jennifer, Samra, Kiran, Shafei, Rachelle, Timberlake, Carolyn, Cope, Thomas, Rittman, Timothy, Benussi, Alberto, Premi, Enrico, Forsberg, Leah, Gasparotti, Roberto, Archetti, Silvana, Gazzina, Stefano, Cantoni, Valentina, Arighi, Andrea, Fenoglio, Chiara, Scarpini, Elio, Fumagalli, Giorgio, Borracci, Vittoria, Rossi, Giacomina, Brushaber, Danielle, Giaccone, Giorgio, Di Fede, Giuseppe, Caroppo, Paola, Prioni, Sara, Redaelli, Veronica, Tang-Wai, David, Rogaeva, Ekaterina, Castelo-Branco, Miguel, Freedman, Morris, Keren, Ron, Rojas, Julio C, Black, Sandra, Mitchell, Sara, Shoesmith, Christen, Bartha, Robart, Poos, Jackie, Papma, Janne M, Giannini, Lucia, van Minkelen, Rick, Pijnenburg, Yolande, Nacmias, Benedetta, VandeVrede, Lawren, Ferrari, Camilla, Polito, Cristina, Lombardi, Gemma, Bessi, Valentina, Veldsman, Michele, Andersson, Christin, Thonberg, Hakan, Öijerstedt, Linn, Jelic, Vesna, Thompson, Paul, Ljubenkov, Peter, Lladó, Albert, Antonell, Anna, Olives, Jaume, Balasa, Mircea, Bargalló, Nuria, Borrego-Ecija, Sergi, Verdelho, Ana, Maruta, Carolina, Ferreira, Catarina B, Miltenberger, Gabriel, Wendelberger, Barbara, Kramer, Joel, Simões do Couto, Frederico, Gabilondo, Alazne, Gorostidi, Ana, Villanua, Jorge, Cañada, Marta, Tainta, Mikel, Zulaica, Miren, Barandiaran, Myriam, Alves, Patricia, Bender, Benjamin, Casaletto, Kaitlin B, Wilke, Carlo, Graf, Lisa, Vogels, Annick, Vandenbulcke, Mathieu, Van Damme, Philip, Bruffaerts, Rose, Poesen, Koen, Rosa-Neto, Pedro, Gauthier, Serge, Camuzat, Agnès, Appleby, Brian, Brice, Alexis, Bertrand, Anne, Funkiewiez, Aurélie, Rinaldi, Daisy, Saracino, Dario, Colliot, Olivier, Sayah, Sabrina, Prix, Catharina, Wlasich, Elisabeth, Wagemann, Olivia, Bordelon, Yvette, Loosli, Sandra, Schönecker, Sonja, Hoegen, Tobias, Lombardi, Jolina, Anderl-Straub, Sarah, Rollin, Adeline, Kuchcinski, Gregory, Bertoux, Maxime, Lebouvier, Thibaud, Deramecourt, Vincent, Botha, Hugo, Santiago, Beatriz, Duro, Diana, Leitão, Maria João, Almeida, Maria Rosario, Tábuas-Pereira, Miguel, Afonso, Sónia, Dickerson, Bradford C, Domoto-Reilly, Kimiko, Fields, Julie A, Foroud, Tatiana, Gavrilova, Ralitza, Heuer, Hilary W, Geschwind, Daniel, Ghoshal, Nupur, Goldman, Jill, Graff-Radford, Jonathon, Graff-Radford, Neill, Grossman, Murray, Hall, Matthew G H, Hsiung, Ging-Yuek, Huey, Edward D, Irwin, David, Russell, Lucy L, Jones, David T, Kantarci, Kejal, Kaufer, Daniel, Knopman, David S, Kremers, Walter, Lago, Argentina Lario, Lapid, Maria I, Litvan, Irene, Lucente, Diane, Mackenzie, Ian R, Cobigo, Yann, Mendez, Mario F, Mester, Carly, Miller, Bruce L, Onyike, Chiadi U, Ramanan, Vijay K, Ramos, Eliana Marisa, Rao, Meghana, Rascovsky, Katya, Rankin, Katherine P, Wolf, Amy, Roberson, Erik D, Savica, Rodolfo, Tartaglia, M Carmela, Wong, Bonnie, Cash, David M, Bouzigues, Arabella, Swift, Imogen J, Peakman, Georgia, Bocchetta, Martina, Goh, Sheng-Yang Matt, Todd, Emily G, Convery, Rhian S, Rowe, James B, Borroni, Barbara, Galimberti, Daniela, Tiraboschi, Pietro, Masellis, Mario, Finger, Elizabeth, van Swieten, John C, Seelaar, Harro, Petrucelli, Leonard, Jiskoot, Lize C, Sorbi, Sandro, Butler, Chris R, Graff, Caroline, Gerhard, Alexander, Langheinrich, Tobias, Laforce, Robert, Sanchez-Valle, Raquel, de Mendonça, Alexandre, Moreno, Fermin, Gendron, Tania F, Synofzik, Matthis, Vandenberghe, Rik, Ducharme, Simon, Le Ber, Isabelle, Levin, Johannes, Danek, Adrian, Otto, Markus, Pasquier, Florence, Santana, Isabel, Kornak, John, Frontotemporal Dementia Prevention Initiative (FPI) Investigators, and Neurology
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Clinical Trials as Topic ,C9orf72 Protein ,biomarkers ,genetics [Mutation] ,tau Proteins ,General Medicine ,Article ,General Biochemistry, Genetics and Molecular Biology ,genetics [tau Proteins] ,Chemistry ,Frontotemporal Dementia ,Mutation ,Disease Progression ,Humans ,ddc:610 ,Human medicine ,genetics [C9orf72 Protein] ,genetics [Frontotemporal Dementia] ,Biology ,Biomarkers ,dementia - Abstract
Data availability: The datasets analyzed for the current study reflect collaborative efforts of two research consortia: ALLFTD and GENFI. Each consortium provides clinical data access based on established policies for data use: processes for request are available for review at allftd.org/data for ALLFTD data and by emailing genfi@ucl.ac.uk. Certain data elements from both consortia (for example raw MRI images) may be restricted due to the potential for identifiability in the context of the sensitive nature of the genetic data. The deidentified combined dataset will be available for request through the FTD Prevention Initiative in 2023 (https://www.thefpi.org/). Code availability: Custom R code is available at https://doi.org/10.5281/zenodo.6687486. Copyright © The Author(s). Unlike familial Alzheimer’s disease, we have been unable to accurately predict symptom onset in presymptomatic familial frontotemporal dementia (f-FTD) mutation carriers, which is a major hurdle to designing disease prevention trials. We developed multimodal models for f-FTD disease progression and estimated clinical trial sample sizes in C9orf72, GRN and MAPT mutation carriers. Models included longitudinal clinical and neuropsychological scores, regional brain volumes and plasma neurofilament light chain (NfL) in 796 carriers and 412 noncarrier controls. We found that the temporal ordering of clinical and biomarker progression differed by genotype. In prevention-trial simulations using model-based patient selection, atrophy and NfL were the best endpoints, whereas clinical measures were potential endpoints in early symptomatic trials. f-FTD prevention trials are feasible but will likely require global recruitment efforts. These disease progression models will facilitate the planning of f-FTD clinical trials, including the selection of optimal endpoints and enrollment criteria to maximize power to detect treatment effects. Data collection and dissemination of the data presented in this paper were supported by the ALLFTD Consortium (U19: AG063911, funded by the National Institute on Aging and the National Institute of Neurological Diseases and Stroke) and the former ARTFL and LEFFTDS Consortia (ARTFL: U54 NS092089, funded by the National Institute of Neurological Diseases and Stroke and National Center for Advancing Translational Sciences; LEFFTDS: U01 AG045390, funded by the National Institute on Aging and the National Institute of Neurological Diseases and Stroke). The manuscript was reviewed by the ALLFTD Executive Committee for scientific content. The authors acknowledge the invaluable contributions of the study participants and families as well as the assistance of the support staffs at each of the participating sites. This work is also supported by the Association for Frontotemporal Degeneration (including the FTD Biomarkers Initiative), the Bluefield Project to Cure FTD, Larry L. Hillblom Foundation (2018-A-025-FEL (A.M.S.)), the National Institutes of Health (AG038791 (A.L.B.), AG032306 (H.J.R.), AG016976 (W.K.), AG062677 (Ron C. Peterson), AG019724 (B.L.M.), AG058233 (Suzee E. Lee), AG072122 (Walter Kukull), P30 AG062422 (B.L.M.), K12 HD001459 (N.G.), K23AG061253 (A.M.S.), AG062422 (RCP), K24AG045333 (H.J.R.)) and the Rainwater Charitable Foundation. Samples from the National Centralized Repository for Alzheimer Disease and Related Dementias (NCRAD), which receives government support under a cooperative agreement grant (U24 AG021886 (T.F.)) awarded by the National Institute on Aging (NIA), were used in this study. This work was also supported by Medical Research Council UK GENFI grant MR/M023664/1 (J.D.R.), the Bluefield Project, the National Institute for Health Research including awards to Cambridge and UCL Biomedical Research Centres and a JPND GENFI-PROX grant (2019–02248). Several authors of this publication are members of the European Reference Network for Rare Neurologic Diseases, project 739510. J.D.R. and L.L.R. are also supported by the National Institute for Health and Care Research (NIHR) UCL/H Biomedical Research Centre, the Leonard Wolfson Experimental Neurology Centre Clinical Research Facility and the UK Dementia Research Institute, which receives its funding from UK DRI Ltd, funded by the UK Medical Research Council, Alzheimer’s Society and Alzheimer’s Research UK. J.D.R. is also supported by the Miriam Marks Brain Research UK Senior Fellowship and has received funding from an MRC Clinician Scientist Fellowship (MR/M008525/1) and the NIHR Rare Disease Translational Research Collaboration (BRC149/NS/MH). M.B. is supported by a Fellowship award from the Alzheimer’s Society, UK (AS-JF-19a-004-517). RC and C.G. are supported by a Frontotemporal Dementia Research Studentships in Memory of David Blechner funded through The National Brain Appeal (RCN 290173). J.B.R. is supported by NIHR Cambridge Biomedical Research Centre (BRC-1215-20014; the views expressed are those of the authors and not necessarily those of the NIHR or the Department of Health and Social Care), the Wellcome Trust (220258), the Cambridge Centre for Parkinson-plus and the Medical Research Council (SUAG/092 G116768); I.L.B. is supported by ANR-PRTS PREV-DemAls, PHRC PREDICT-PGRN, and several authors of this publication are members of the European Reference Network for Rare Neurological Diseases (project 739510). J.L. is funded by the Deutsche Forschungsgemeinschaft (German Research Foundation) under Germany’s Excellence Strategy within the framework of the Munich Cluster for Systems Neurology (EXC 2145 SyNergy – ID 390857198). R.S.-V. was funded at the Hospital Clinic de Barcelona by Instituto de Salud Carlos III, Spain (grant code PI20/00448 to RSV) and Fundació Marató TV3, Spain (grant code 20143810 to R.S.-V.). M.M. was, in part, funded by the UK Medical Research Council, the Italian Ministry of Health and the Canadian Institutes of Health Research as part of a Centres of Excellence in Neurodegeneration grant, by Canadian Institutes of Health Research operating grants (MOP- 371851 and PJT-175242) and by funding from the Weston Brain Institute. R.L. is supported by the Canadian Institutes of Health Research and the Chaire de Recherche sur les Aphasies Primaires Progressives Fondation Famille Lemaire. C.G. is supported by the Swedish Frontotemporal Dementia Initiative Schörling Foundation, Swedish Research Council, JPND Prefrontals, 2015–02926,2018–02754, Swedish Alzheimer Foundation, Swedish Brain Foundation, Karolinska Institutet Doctoral Funding, KI Strat-Neuro, Swedish Dementia Foundation, and Stockholm County Council ALF/Region Stockholm. J.L. is supported by Germany’s Excellence Strategy within the framework of the Munich Cluster for Systems Neurology (German Research Foundation, EXC 2145 Synergy 390857198). The Dementia Research Centre is supported by Alzheimer’s Research UK, Alzheimer’s Society, Brain Research UK, and The Wolfson Foundation. This work was supported by the National Institute for Health Research UCL/H Biomedical Research Centre, the Leonard Wolfson Experimental Neurology Centre Clinical Research Facility and the UK Dementia Research Institute, which receives its funding from UK DRI Ltd, funded by the UK Medical Research Council, Alzheimer’s Society, and Alzheimer’s Research UK.
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41. The Impact of COVID-19, Mental Health Distress, and School-Based Sociocultural Protective Factors among Elementary-Aged Children and their Caregivers
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Aijah K. B. Goodwin, Anthony J. Roberson, Ar’Reon Watson, Grace L. Chen, and Anna C. J. Long
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Psychiatry and Mental health ,Developmental and Educational Psychology ,Education - Abstract
Given the individual and systemic stress endured by children and families during the COVID-19 pandemic, research examining culturally responsive school experiences and supports to enhance resilience is critical. This study examined the relationship between caregivers’ perceptions of COVID-19 impact, mental health distress among children and caregivers, and school-based sociocultural protective factors, including culturally responsive practices in schools and the relationships between teachers and caregivers, concurrently and longitudinally. Data were collected from caregivers of elementary-aged children at two-time points from March to April 2020 ( N = 174) and one year later in 2021 ( N = 114). Regression analyses revealed that COVID-19 impact positively predicted and parent-teacher joining negatively predicted mental health concerns among children and families, concurrently and longitudinally. Furthermore, there was a positive relationship between caregivers’ perceptions of teachers’ social awareness and justice practices and mental health symptoms for children in 2020. Parent-teacher joining longitudinally moderated the relationship between COVID-19 impact and caregivers’ mental health concerns. This study provides implications regarding sociocultural resilience factors that should be considered in schools amidst the COVID-19 pandemic.
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- 2022
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42. Práticas e discursos do Estado brasileiro na condução da política de turismo na 'Era PT'
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Roberson da Rocha Buscioli
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General Earth and Planetary Sciences ,General Environmental Science - Abstract
Neste trabalho buscamos analisar as práticas e discursos do Estado brasileiro na constituição da Política Pública de Turismo, no período considerado como “Era PT”, correspondendo interregno de 2003 a 2016. Foram realizadas, pesquisa bibliográfica, análises de documentos oficiais consultados em centros de documentação, e endereços eletrônicos de órgãos governamentais encarregados institucionalmente de planejar, executar e acompanhar as políticas turismo. Como resultados principais observamos que desde os anos de 1990, e em especial após os anos 2000, com a criação do Ministério do Turismo, estabeleceu-se no Brasil um processo de modernização do território, capitaneado pelo Estado a partir de investimentos voltados ao consumo do espaço por meio da atividade turística, materializado em ações deliberadas como o Programa de Desenvolvimento Sustentável do Turismo (PRODETUR), densidades normativas, financiamentos e incentivos fiscais. Tal processo se deu sob forte influência do Banco Interamericano de Desenvolvimento, principal financiador externo de tais políticas.
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43. Recurrence Rate for Isolated Elevated Maternal Serum Alpha-Fetoprotein Levels and Pregnancy Outcomes
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Mariam Ayyash, Madhurima Keerthy, Jacquelyn Roberson, and Majid Shaman
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Male ,Fetal Growth Retardation ,Pregnancy ,Infant, Newborn ,Pregnancy Outcome ,Humans ,Female ,alpha-Fetoproteins ,General Medicine ,Fetal Death ,Genetics (clinical) ,Retrospective Studies - Published
- 2022
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44. Localizing seizure onset zones in surgical epilepsy with neurostimulation deep learning
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Graham W, Johnson, Leon Y, Cai, Derek J, Doss, Jasmine W, Jiang, Aarushi S, Negi, Saramati, Narasimhan, Danika L, Paulo, Hernán F J, González, Shawniqua, Williams Roberson, Sarah K, Bick, Catie E, Chang, Victoria L, Morgan, Mark T, Wallace, and Dario J, Englot
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General Medicine - Abstract
OBJECTIVE In drug-resistant temporal lobe epilepsy, automated tools for seizure onset zone (SOZ) localization that use brief interictal recordings could supplement presurgical evaluations and improve care. Thus, the authors sought to localize SOZs by training a multichannel convolutional neural network on stereoelectroencephalography (SEEG) cortico-cortical evoked potentials. METHODS The authors performed single-pulse electrical stimulation in 10 drug-resistant temporal lobe epilepsy patients implanted with SEEG. Using 500,000 unique poststimulation SEEG epochs, the authors trained a multichannel 1-dimensional convolutional neural network to determine whether an SOZ had been stimulated. RESULTS SOZs were classified with mean sensitivity of 78.1% and specificity of 74.6% according to leave-one-patient-out testing. To achieve maximum accuracy, the model required a 0- to 350-msec poststimulation time period. Post hoc analysis revealed that the model accurately classified unilateral versus bilateral mesial temporal lobe seizure onset, as well as neocortical SOZs. CONCLUSIONS This was the first demonstration, to the authors’ knowledge, that a deep learning framework can be used to accurately classify SOZs with single-pulse electrical stimulation–evoked responses. These findings suggest that accurate classification of SOZs relies on a complex temporal evolution of evoked responses within 350 msec of stimulation. Validation in a larger data set could provide a practical clinical tool for the presurgical evaluation of drug-resistant epilepsy.
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45. The presence of accountability in digital interventions targeting non-adherence: A review
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Rachel E. Christensen, Varun Ranpariya, Lara K. Kammrath, E.J. Masicampo, Kristina B. Roberson, and Steven R. Feldman
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General Medicine - Published
- 2022
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46. Insights into Plasmodium vivax Asymptomatic Malaria Infections and Direct Skin-Feeding Assays to Assess Onward Malaria Transmission in the Amazon
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Marta Moreno, Katherine Torres, Carlos Tong, Stefano S. García Castillo, Gabriel Carrasco-Escobar, Gerson Guedez, Lutecio Torres, Manuela Herrera-Varela, Layné Guerra, Mitchel Guzman-Guzman, Daniel Wong, Roberson Ramirez, Alejandro Llanos-Cuentas, Jan E. Conn, Dionicia Gamboa, and Joseph M. Vinetz
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Mosquito Vectors ,Malaria Transmission ,Malaria ,Cohort Studies ,Infectious Diseases ,Virology ,Anopheles ,Malaria, Vivax ,Animals ,Humans ,Parasitology ,Plasmodium vivax ,Asymptomatic Infections ,Amazon ,Research Article ,Malaria Infections - Abstract
Understanding the reservoir and infectivity of Plasmodium gametocytes to vector mosquitoes is crucial to align strategies aimed at malaria transmission elimination. Yet, experimental information is scarce regarding the infectivity of Plasmodium vivax for mosquitoes in diverse epidemiological settings where the proportion of asymptomatically infected individuals varies at a microgeographic scale. We measured the transmissibility of clinical and subclinical P. vivax malaria parasite carriers to the major mosquito vector in the Amazon Basin, Nyssorhynchus darlingi (formerly Anopheles). A total of 105 participants with natural P. vivax malaria infection were recruited from a cohort study in Loreto Department, Peruvian Amazon. Four of 18 asymptomatic individuals with P. vivax positivity by blood smear infected colony-grown Ny. darlingi (22%), with 2.6% (19 of 728) mosquitoes infected. In contrast, 77% (44/57) of symptomatic participants were infectious to mosquitoes with 51% (890 of 1,753) mosquitoes infected. Infection intensity was greater in symptomatic infections (mean, 17.8 oocysts/mosquito) compared with asymptomatic infections (mean, 0.28 oocysts/mosquito), attributed to parasitemia/gametocytemia level. Paired experiments (N = 27) using direct skin-feeding assays and direct membrane mosquito-feeding assays showed that infectivity to mosquitoes was similar for both methods. Longitudinal studies with longer follow-up of symptomatic and asymptomatic parasite infections are needed to determine the natural variations of disease transmissibility.
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47. Role of Hysteropexy in the Management of Pelvic Organ Prolapse
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Zoe S. Gan, Daniel S. Roberson, and Ariana L. Smith
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Urology ,General Medicine - Published
- 2022
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48. Drag forces at the ice-sheet bed and resistance of hard-rock obstacles: the physics of glacial ripping
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Maarten Krabbendam, Fabio Dioguardi, Christian Arnhardt, Sam Roberson, and Adrian M. Hall
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Earth-Surface Processes - Abstract
Glacial ripping involves glaciotectonic disintegration of rock hills and extensive removal of rock at the ice-sheet bed, triggered by hydraulic jacking caused by fluctuating water pressures. Evidence from eastern Sweden shows that glacial ripping caused significant subglacial erosion during the final deglaciation of the Fennoscandian ice sheet, distinct from abrasion and plucking (quarrying). Here we analyse the ice drag forces exerted onto rock obstacles at the base of an ice sheet, and the resisting forces of such rock obstacles: glaciotectonic disintegration requires that ice drag forces exceed the resisting forces of the rock obstacle. We consider rock obstacles of different sizes, shapes and fracture patterns, informed by natural examples from eastern Sweden. Our analysis shows that limited overpressure events, unfavourable fracture patterns, low-transmissivity fractures, slow ice and streamlined rock hamper rock hill disintegration. Conversely, under fast ice flow and fluctuating water pressures, disintegration is possible if the rock hill contains subhorizontal, transmissive fractures. Rock steps on previously smooth, abraded surfaces, caused by hydraulic jacking, also enhance drag forces and can cause disintegration of a rock hill. Glacial ripping is a physically plausible erosion mechanism, under realistic glaciological conditions prevalent near ice margins.
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49. Cross-contamination in cytology processing: a review of current practice
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Janie Roberson, Jacqueline M. Cuda, Antoinette D. Davis Floyd, Cindy M. McGrath, Donna K. Russell, Amy Wendel-Spiczka, Christopher J. VandenBussche, and Jordan P. Reynolds
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Cytodiagnosis ,Surveys and Questionnaires ,Cytological Techniques ,Humans ,Laboratories ,United States ,Pathology and Forensic Medicine - Abstract
New cytopreparatory technologies decrease the need for direct smears in favor of an increased use of liquid-based cytology methods. Despite these practice changes, Clinical Laboratory Improvement Amendments continue to require that cytopathology laboratories have procedures to prevent cross-contamination (CC). While the incidence of CC is not well documented, specific cytologic preparations and specimens with a high potential for CC have not been generally defined by professional guidelines or consensus. The American Society of Cytopathology Clinical Practice Committee surveyed cytology practitioners to better understand current practice related to CC in cytology.The survey focused on four topics: (1) practice settings and demographic data; (2) current practice for meeting CC requirements; (3) practice for rapid on-site evaluation; and (4) preparation types considered high risk for CC. The survey was sent to all American Society of Cytopathology and American Society for Cytotechnology members from July 1 to August 14, 2020.Ninety-eight percent of laboratories had a written CC policy, with 66.18% of the policies addressing rapid on-site evaluation CC procedures. Documented cases of CC were rare. Alcohol-fixed, direct smears of Pap-stained fluids were deemed the most likely to be impacted by CC. Cell block contamination during the histologic processing were reported by 56.20% of respondents.Changes in practice has resulted in decreased preparation types associated with a high potential for CC. Laboratories should follow a risk-based approach to define these cases. Knowledge of practice patterns among laboratories can guide the development and refinement of policy and procedures.
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- 2022
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50. The Effect of Raster Pattern and Acetic Acid Exposure on the Mechanical and Failure Properties of Additively Manufactured PLA and PLA-wood Composite Specimens
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Luis E. Lares Carrillo, Jose F. Salazar, Mckenna M. Hitter, Victoria C. Luna, Damian E. Alvarez, Mario Arana Contreras, Veronica G. Contreras Guerrero, Jordan S. Hitter, Daniel A. Morales, Alan Nunez, Arturo Villegas, and David A. Roberson
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Mechanics of Materials ,Mechanical Engineering ,General Materials Science ,Safety, Risk, Reliability and Quality - Published
- 2023
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